25451316 has 36 divisors (see below), whose sum is σ = 70185024. Its totient is φ = 7712400.

The previous prime is 25451303. The next prime is 25451333. The reversal of 25451316 is 61315452.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×25451316² = 1295538972263712, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25451316.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31740 + ... + 32531.

It is an arithmetic number, because the mean of its divisors is an integer number (1949584).

Almost surely, 2^25451316 is an apocalyptic number.

It is an amenable number.

25451316 is an abundant number, since it is smaller than the sum of its proper divisors (44733708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25451316 is a wasteful number, since it uses less digits than its factorization.

25451316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64292 (or 64287 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 25451316 is about 5044.9297319190. The cubic root of 25451316 is about 294.1508319482.

Adding to 25451316 its reverse (61315452), we get a palindrome (86766768).

The spelling of 25451316 in words is "twenty-five million, four hundred fifty-one thousand, three hundred sixteen".